Debian DSA-2174-1 : avahi - denial of service

Medium Nessus Plugin ID 52462


The remote Debian host is missing a security-related update.


It was discovered that Avahi, an implementation of the zeroconf protocol, can be crashed remotely by a single UDP packet, which may result in a denial of service.


Upgrade the avahi packages.

For the oldstable distribution (lenny), this problem has been fixed in version 0.6.23-3lenny3.

For the stable distribution (squeeze), this problem has been fixed in version 0.6.27-2+squeeze1.

See Also

Plugin Details

Severity: Medium

ID: 52462

File Name: debian_DSA-2174.nasl

Version: 1.11

Type: local

Agent: unix

Published: 2011/03/01

Updated: 2018/11/10

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:F/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:avahi, cpe:/o:debian:debian_linux:5.0, cpe:/o:debian:debian_linux:6.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2011/02/26

Exploitable With

Core Impact

Reference Information

CVE: CVE-2011-1002

BID: 46446

DSA: 2174